The (SBC) Small Block & (BBC) Big Block Chevy firing order is 1-8-4-3-6-5-7-2
Rotor spins clockwise when looking down from the top at it.
Cylinder Arrangement: Looking at the front of the engine block: The #1 cylinder is on the right side (Driver side) in the front. #2 is the front cylinder on the left (Passenger side). 1-3-5-7 are on the driver side. 2-4-6-8 are on the passenger side.